I was wondering if there is a possibility when filleting, to give MAXIMUM value (distance to the closest edge), so I wont be recieving "calculation failed" message most of the time. It works in MODO like that (I know it's totally different software).

Hi Bloodlust, sorry no there's no way to do that currently. Unfortunately that would be a difficult value to calculate. I'm not really sure how it would be calculated without internally doing a lot of fillets which would take a really long time. Hopefully in the future I will be able to remove the limitation that a fillet can't cross over some other edge.